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74HCT221D,118 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

74HCT221D,118 product

74HCT221D,118

Interface

MonostableMultivibratorLogic IC

The 74HCT221 is a dual non-retriggerable monostable multivibrator with reset, designed for TTL-level interfacing.

Best for

  • Pulse generation
  • Timing applications

Avoid if

  • High-speed retriggerable applications

Check before use

  • External timing component tolerances

Key specifications

Supply Voltage
4.5 V to 5.5 V
Propagation Delay
31 ns
Operating Temperature
-40 °C to +125 °C

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8542.39.0001

Application

General Logic

Datasheet

NXP-Semiconductors-company-13.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 74HCT221D,118: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a dual non-retriggerable monostable multivibrator with reset, featuring edge-triggered inputs and Schmitt-trigger circuitry on nB inputs.